MRS312D-1N-0170-NNNN
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The MRS312D-1N-0170-NNNN rotor is designed for Rexroth's high-speed motors, reaching a driving speed of up to 30,000 rpm. Part of the MRS Synchronous IndraDyn H rotors by Bosch Rexroth Indramat, it boasts an IP65 enclosure rating and features a standard construction, making it suitable for various applications.
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Product Description:
The MRS312D-1N-0170-NNNN is one of Rexroth Bosch Indramat’s most efficient MRS rotors under the indraDyn H product line. Featuring a 170 mm diameter and a moment of inertia of 0.751 kg(m^2), this rotor achieves its steady-state speed in a short amount of time. Assuming rated excitation voltage, this rotor can achieve a synchronous speed of 280 rpm or 600 rpm, depending on the winding of the MSS stator. Regardless of the stator model, however, this rotor can consistently deliver a torque value of 820 to 1,950 Nm. Excluding the stator, the MRS312D-1N-0170-NNNN weighs about 67 kilograms or approximately 148 pounds.
Together with an appropriate MSS stator, the MRS312D-1N-0170-NNNN dissipates heat effectively. Thanks to the self-contained cooling system from IndraDyn H’s stators, MRS rotors also exhibit a low thermal time constant. Specifically, the MRS312D-1N-0170-NNNN has a thermal time constant of 7.8 minutes, implying a relatively fast cooling time. Similar to other MRS rotors, the MRS312D-1N-0170-NNNN can operate at an ambient temperature of 0 to 40 degrees Celsius. During transport and storage, the recommended ambient temperature must not exceed 80 degrees and 60 degrees Celsius, respectively. Without an integrated chassis or cover, the MRS312D-1N-0170-NNNN has a protection mode of IP00.
With its standard “1N” design, the MRS312D-1N-0170-NNNN can be mounted on the rotor spindle using a set of fixing screws. In total, the MRS312D-1N-0170-NNNN comes with 12 fixing screws, equally spaced 30 degrees apart. Based on its official datasheet, this rotor has a depth of 419 millimeters. At most, this rotor can withstand an axial and radial force of 690 N and 11,480 N, respectively. When bought from Wake Industrial, the MRS312D-1N-0170-NNNN comes with a one-year item warranty.
Frequently Asked Questions about MRS312D-1N-0170-NNNN:
Q: What type of rotor is the MRS312D-1N-0170-NNNN?
A: The MRS312D-1N-0170-NNNN is a synchronous IndraDyn H rotor manufactured by Rexroth Bosch. Together with a compatible MSS stator, this rotor can deliver high torque at consistent speeds.
Q: What is the outer diameter of the MRS312D-1N-0170-NNNN?
A: The MRS312D-1N-0170-NNNN has an outer diameter of 215 mm.
Q: What is the thickness of the MRS312D-1N-0170-NNNN?
A: The MRS312D-1N-0170-NNNN has a thickness of 419 mm.
Q: Why does the MRS312D-1N-0170-NNNN have a higher radial force tolerance?
A: Generally, rotors can take higher radial forces than axial forces because of their structural design and bearing. Rotors are less resistant against forces applied along their main axis.
Q: What is the difference between the MRS312D-1N-0170-NNNN and the MRS312D-2N-0170-NNNN?
A: Rotors with “2N” construction employ step interference fit, while “1N” rotors like the MRS312D-1N-0170-NNNN employ plain drilling.
